Border for display window



FIG. 1 is a perspective view of a border for display window showing our new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a perspective view of the border for display window of FIG. 1, shown in an environment of use.

The broken lines immediately adjacent the outer and inner edges of the border for display window in FIG. 3 represent boundaries of the claimed design. All other broken lines are directed to environment. The broken lines and unshaded regions within the broken line form no part of the claimed design. 

The ornamental design for a border for display window, as shown and described. 